EP1077875B1 - Machine d'emballage - Google Patents

Machine d'emballage Download PDF

Info

Publication number
EP1077875B1
EP1077875B1 EP99932625A EP99932625A EP1077875B1 EP 1077875 B1 EP1077875 B1 EP 1077875B1 EP 99932625 A EP99932625 A EP 99932625A EP 99932625 A EP99932625 A EP 99932625A EP 1077875 B1 EP1077875 B1 EP 1077875B1
Authority
EP
European Patent Office
Prior art keywords
motion
time
law
packaging machine
packaging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99932625A
Other languages
German (de)
English (en)
Other versions
EP1077875A2 (fr
Inventor
Erwin Fertig
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Elau GmbH
Original Assignee
Elau Elektronik Automations AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19841138A external-priority patent/DE19841138A1/de
Application filed by Elau Elektronik Automations AG filed Critical Elau Elektronik Automations AG
Publication of EP1077875A2 publication Critical patent/EP1077875A2/fr
Application granted granted Critical
Publication of EP1077875B1 publication Critical patent/EP1077875B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
    • B65C9/00—Details of labelling machines or apparatus
    • B65C9/40—Controls; Safety devices
    • B65C9/42—Label feed control
    • B65C9/44—Label feed control by special means responsive to marks on labels or articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/18—Registering sheets, blanks, or webs

Definitions

  • the invention relates to a packaging machine for wrapping and / or enclosing products of varying dimensions, size and consistency in packaging material, such as paper, bags, cups and the like.
  • individual processing units each of which is assigned a drive with a control unit, through which the specified movement laws (travel-time functions) are processed, as well as sensors for detecting the operating state, and if there are deviations from the synchronicity between the packaging material and the product to be packaged, the movement laws are changed and the resulting path-time law is continuously and continuously differentiable, the resulting speed-time law is continuously differentiable.
  • Packaging machines are generally extensive systems that consist of a large number of processing units for shaping the packaging, filling, closing and labeling, but also provide units that serve for feeding, filling and closing prefabricated containers.
  • the latter are mainly used for packing bulk goods, but especially for liquid and pasty products from the food sector, e.g. B. drinks, yogurt, cream etc.
  • Their primary areas of application are the pharmaceutical, cigarette, food and beverage industries.
  • a packaging machine consists of a mechanically or electronically designed vertical shaft, which serves as a leading axis, and from which drives with control units are connected in the sense of slave axes.
  • the leading position is the input variable for the control unit of the drive that defines the target position of the following axis as the output variable.
  • Each leading axis position is therefore assigned a defined position of the following axis, which is a path-path assignment.
  • the overall movement is divided into individual movement sections, each of which is associated with a movement law by means of which the position of the following axis is assigned to the position of the leading axis.
  • the entire representation of the movement of the individual processing units takes place in a movement plan.
  • a single work cycle is usually made up of several movement sections.
  • the vertical shaft determines the functional speed as the leading axis, so that the higher the leading axis speed, the higher the cycle performance of the packaging machine.
  • Packaging machines generally have to incorporate products of different dimensions and external shape into a packaging, so that the machine has to be changed with every product change and adapted to the new packaging conditions.
  • a control for servo-driven machines, in particular packaging machines, is described in US Pat. No. 5,724,786, in which a transport good to be packaged or filled is conveyed by a conveying device.
  • a mark is assigned in each case in the conveyed goods and a sensor for detecting the position of the mark is available is, the transport speed can be changed depending on the position of the marking.
  • the target positions are compared with the actual positions and the transport speed is increased or decreased accordingly in order to bring the goods to be conveyed into a desired position at a desired time.
  • the respective position is recorded S times between the start and end of the conveying and the servomotors are controlled accordingly, ie the conveying speed is increased or decreased step by step in order to compensate for deviations of the actual from the target position.
  • the term “law of motion” means any functional connection between distance and time, whereby distance can be understood to mean a distance / length or an angle.
  • the task of the existing sensors is to record the current operating state (actual state) and to supply it to the control unit for evaluation. For example, it is necessary to apply the wrapping paper provided with images to the goods to be packed, in spite of the stretching and stretching of the paper in the machine itself, in such a way that the image is positioned centrally, ie in the middle of the goods. Moving the packaging paper would be completely unacceptable, with the result that the image would be cut up and only the peripheral areas of the image would be visible in the central area of the goods to be packaged.
  • marginal markings are made on the packaging paper, which are detected by the sensor, so that the stretching, stretching and slippage of the paper can then be compensated for by appropriate control.
  • the task of the sensor can also be, among other things, to determine the presence of the goods to be packaged and, in the event of defects, to transport the Slow down the packaging material and change the law of movement so that the feed is delayed and adapted to the lack of the packaging good instead of, as is customary in the prior art, the paper transport continues regardless of the missing packaging good and a section of the packaging paper is separated and due to the missing packaging object remains unused.
  • synchronization takes place in that the path-time dependency, that is to say the advance of the packaging material, is selected such that the assignment to the packaging object is effected in the desired manner.
  • the curve shape is changed.
  • open transport within the packaging machine by a certain distance up to the closure with the lid may be required.
  • the acceleration during change constantly during this operating phase.
  • the laws of motion should be chosen so that only low acceleration values and no acceleration peaks occur.
  • this requirement can then be waived and new, higher acceleration values motion laws can be used to increase performance.
  • the laws of motion and also the transitions between the various laws of motion must be carried out in such a way that there is no significant acceleration in the machine, which would give rise to loads on bearings and increased noise pollution. Particularly high wear on the machine as well as a sudden increase in noise level are always obtained when the acceleration values change suddenly. Therefore, the invention requires in one of its features that the motion laws of the drives regardless of how the motion law was obtained (upsetting, stretching) and also in the transition areas with regard to the distance-time dependence not only a constant but also represents a continuously differentiable function. Mathematically, this means that the differential is unique and continuous at each function point over time.
  • Law of motion is determined, i.e. a synthesis process carried out that does not require the use of output functions.
  • a decisive advantage of the packaging machine according to the invention is that the deviations detected by the sensors immediately, i.e. the motion laws of the drives can be changed in real time and adapted to the current situation. Deviations in the manner of a control loop are thus eliminated immediately.
  • the basic possibility that not immediately is reacted in real time to the deviations measured with the help of the sensors, but is processed at the movement section currently being processed in accordance with the previous setting and only at one of the next e.g. the immediately following movement section of the drive is only adapted to the new situation with regard to its movement law and is processed by the drive.
  • the drive then responds to the detected deviations with a time delay.
  • the packaging paper (1) is fed endlessly in the horizontal direction from left to right to a rotating cutting device (2).
  • the feed movement (5) is also passed on to the evaluation unit (6).
  • the drive (7) of the cutting device (2) is controlled via the evaluation unit (6) in accordance with the paper feed and the measured values of the sensor (4).
  • the sensor ensures that despite displacements of the packaging paper in the direction of transport it is always ensured that the cutting device (2) cuts exactly in the desired position. It is crucial that the law of motion of the cutting device (2) is a constant and also continuously differentiable path-time function and the changes in acceleration are kept low, so that "soft" movements are ensured, which with regard to protecting the material, the life of the Machine, as well as the maximum performance bring significant advantages.
  • FIG. 2 also shows a schematic representation of a part of the packaging machine in which labels are applied to bottles.
  • the bottles (8) are successively moved past a label dispenser (9) in the horizontal direction, the respective position of the bottle being detected by a sensor (10) immediately before the label is applied.
  • the movement of the bottle is recorded with the help of the sensor (11).
  • the position of the supplied label is detected by the label sensor (12) and the information passed on to the evaluation unit (13). From there, appropriate control commands are sent to the drive (14) responsible for feeding the labels.
  • the evaluation unit (13) ensures that the bottle (8) and the individual label are fed synchronously to one another and are therefore connected to one another with a precise fit.
  • the law of motion of at least one drive here z. B.
  • the drive (14) for the label feed in its law of motion changed and adapted to the new conditions, such that the path-time function of the law of motion of the motor is a continuous and continuously differentiable function.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Basic Packing Technique (AREA)

Claims (6)

  1. Machine d'emballage destinée à empaqueter et/ou conditionner des produits de dimensions, de taille et de consistance différentes dans un matériau d'emballage tel que papier, sachets, pots ou autre emballage de ce genre, composée de différents systèmes ; chaque système est équipé de son propre moteur relié à une unité de commande qui traite les lois de déplacement données (fonction course/temps), et de capteurs qui enregistrent l'état de fonctionnement ; en cas d'écarts de synchronisation entre le matériau d'emballage et le produit à emballer, les lois de déplacement sont modifiées, la fonction course/temps résultante étant continue et différenciable en continu, et la fonction vitesse/temps résultante étant différenciable en continu,
    caractérisée en ce que
    l'on modifie les lois de déplacement des moteurs concernés, c.-à-d. qu'on les étire ou qu'on les comprime sur l'axe des temps.
  2. Machine d'emballage selon la revendication 1, caractérisée en ce que l'on prend comme fonctions de départ, des fonctions mathématiques standards modifiables par compression ou étirement sur l'axe des temps, pour former la loi de déplacement résultante.
  3. Machine d'emballage selon la revendication 1, caractérisée en ce que la loi de déplacement résultante est générée pendant la marche.
  4. Machine d'emballage selon l'une des revendications 1 à 3, caractérisée en ce que les lois de déplacement sont modifiées en temps réel, ou à retardement lors de la séquence suivante.
  5. Machine d'emballage selon l'une des revendications précédentes, caractérisée en ce que la fonction accélération/temps est inférieure à une valeur donnée.
  6. Machine d'emballage selon l'une des revendications précédentes, caractérisée en ce que la fonction accélération/temps de la résultante est différenciable en continu.
EP99932625A 1998-05-05 1999-05-05 Machine d'emballage Expired - Lifetime EP1077875B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19819934 1998-05-05
DE19819934 1998-05-05
DE19841138 1998-09-09
DE19841138A DE19841138A1 (de) 1998-05-05 1998-09-09 Verpackungsmaschine
PCT/DE1999/001349 WO1999057012A2 (fr) 1998-05-05 1999-05-05 Machine d'emballage

Publications (2)

Publication Number Publication Date
EP1077875A2 EP1077875A2 (fr) 2001-02-28
EP1077875B1 true EP1077875B1 (fr) 2003-01-29

Family

ID=26045955

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99932625A Expired - Lifetime EP1077875B1 (fr) 1998-05-05 1999-05-05 Machine d'emballage

Country Status (3)

Country Link
US (1) US6601371B1 (fr)
EP (1) EP1077875B1 (fr)
WO (1) WO1999057012A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10207096A1 (de) * 2002-02-20 2003-08-28 Iwk Verpackungstechnik Gmbh Verfahren zur Steuerung einer Verpackungsmaschine
DE10259904A1 (de) * 2002-12-20 2004-07-01 Rovema Verpackungsmaschinen Gmbh Verpackungsmaschine sowie Verfahren zur Regelung einer Verpackungsmaschine
DE10261050A1 (de) * 2002-12-24 2004-07-15 Rovema - Verpackungsmaschinen Gmbh Verpackungsmaschine und Verfahren zum Betrieb einer Verpackungsmaschine
CA2526584C (fr) 2003-09-20 2012-01-03 Herma Gmbh Procede et dispositif d'etiquetage
US20050279463A1 (en) * 2004-06-21 2005-12-22 Ridenour Guy K Apparatus for dispensing labels to an operator without delay
JP6346998B2 (ja) * 2014-12-10 2018-06-20 テトラ ラバル ホールディングス アンド ファイナンス エス エイ パッケージング容器に飲用ストローを貼付する装置を動作させる方法および該方法により動作する装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4391079A (en) * 1980-08-21 1983-07-05 Hayssen Manufacturing Company Control system for cyclic machines
US4554774A (en) * 1983-04-30 1985-11-26 Shibuya Kogyo Co., Ltd. System for synchronizing two or more process units
DE3532839A1 (de) * 1985-09-14 1987-03-26 Overbeck Gmbh & Co Verfahren zum anbringen von trinkhalmen an verpackungsbehaeltern, sowie vorrichtung zur durchfuehrung des verfahrens
JPH01267136A (ja) 1988-04-07 1989-10-25 Fuji Mach Co Ltd 包装機の空袋防止制御装置
US5138815A (en) 1991-11-12 1992-08-18 Doboy Packaging Machinery, Inc. Microprocessor controlled SCR motor drives for wrapping machine
DE4216949C2 (de) 1992-05-22 1997-07-24 Christoph Prof Dr Dr Cremer Nichtenzymatisches Verfahren zur In-situ-Hybridisierung bei spezifischen Proben
DK145493D0 (da) 1993-12-23 1993-12-23 Dako As Antistof
US5724786A (en) 1994-09-28 1998-03-10 Tetra Laval Holdings & Finance S.A. Control system having error correcting apparatus
EP0727487A1 (fr) 1995-02-17 1996-08-21 K.U. Leuven Research & Development Gènes de croissance aberrants de multiples tumeurs
WO1997018325A1 (fr) 1995-11-16 1997-05-22 Dako A/S Hybridation in situ pour detecter des sequences d'acides nucleiques specifiques dans des echantillons eucaryotes
DE19610255B4 (de) 1996-03-15 2004-11-04 Universität Heidelberg Verfahren zur Herstellung von Nukleinsäuresequenzen und Verfahren zum Nachweis von Translokationen zwischen Chromosomen
US5910090A (en) * 1996-05-31 1999-06-08 Riverwood International Corporation DC drive positioning system
EP0825198A1 (fr) 1996-08-22 1998-02-25 K.U. Leuven Research & Development Famille de gènes Plag et tumorigénèse
US5826406A (en) * 1997-05-01 1998-10-27 Tetra Laval Holdings & Finance, S.A. Servo-controlled conveyor system for carrying liquid filled containers

Also Published As

Publication number Publication date
WO1999057012A3 (fr) 1999-12-29
US6601371B1 (en) 2003-08-05
WO1999057012A2 (fr) 1999-11-11
EP1077875A2 (fr) 2001-02-28

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